/Engine/Source/Runtime/GeometryCore/Public/FrameTypes.h
Map a point from local UV plane coordinates to the corresponding 3D point in one of the planes of the frame
3D coordinates in frame's plane (including Origin translation)
[TVector](API\Runtime\Core\Math\TVector)< RealType > FromPlaneUV ( const [TVector2](API\Runtime\Core\Math\TVector2)< RealType > & PosUV, int PlaneNormalAxis ) const